insoluble

[in-sol-yuh-buhl]

adjective

1. incapable of being dissolved.

   insoluble salts.

2. incapable of being solved or explained.

   an insoluble problem.

insoluble

/ ɪnˈsɒljʊbəl /

adjective

1. incapable of being dissolved; incapable of forming a solution, esp in water

2. incapable of being solved

insoluble

1. Not capable of being fully dissolved. Fats and oils are insoluble in water.

Other Word Forms

• insolubility noun
• insolubleness noun
• insolubly adverb
• semi-insoluble adjective

Word History and Origins

Origin of insoluble¹

1350–1400; < Latin insolūbilis; replacing Middle English insolible < Middle French insoluble < L. See in- ³, soluble

Example Sentences

In the mouse model, oral arginine lowered amyloid plaque formation and reduced insoluble Aβ42 levels in the brain.

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It’s the counterpoint to Syd’s earliest argument for sticking with this insoluble endeavor: “Why can’t we put everything that we have into everything that we can?”

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But if a problem is insoluble, it’s not a problem anymore; it’s just the way things are.

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In mice, the ketone ester treatment resulted in clearance rather than pathological aggregation of insoluble proteins.

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Unfortunately, this feeling is often associated with insoluble dietary fibers.

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